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Your Infrastructure Shouldn’t Fail Just Because It’s Term Time

Your Infrastructure Shouldn’t Fail Just Because It’s Term Time

When term time begins, UK EdTech platforms face predictable but intense demand spikes - especially in September, December, and May. These surges often lead to system failures, disrupting lessons, exams, and workflows. The result? Wasted time, lost trust, and potential revenue hits.

Key challenges include:

  • Traffic surges during registration, assessments, and assignment deadlines.
  • Weak points like database bottlenecks, login system overloads, and file upload/download failures.
  • Unprepared systems struggling with sudden spikes due to poor load balancing or auto-scaling.

Solutions to handle peak demand:

  1. Load testing to simulate real usage and identify vulnerabilities.
  2. Auto-scaling policies for handling predictable traffic growth.
  3. Load balancing to distribute traffic efficiently across servers.
  4. Real-time monitoring to spot and resolve issues quickly.
  5. Health checks and rolling deployments to minimise disruption during updates.
  6. Cost management to align resources with actual usage and avoid surprise bills.

Building Resilient Cloud Infrastructure for Higher Education ERPs | Sanjiv Bhagat | Conf42 SRE 2025

Conf42 SRE 2025

Spotting and Preparing for Peak Usage Problems

Knowing where your platform might falter under pressure is the first step in avoiding chaos during high-demand periods. EdTech platforms often face predictable stress patterns, yet these warning signs can sometimes be overlooked. Tackling these challenges head-on is crucial, as we'll explore below.

Traffic Spikes and Usage Patterns

EdTech platforms often experience dramatic traffic surges tied to specific academic events. For example, late August and early September registration periods see thousands of students logging in simultaneously to access course materials, submit assignments, and familiarise themselves with new systems. Similarly, assessment periods in December and May bring heavy usage, especially when institutions align their exam schedules.

But it’s not just about high user numbers - it’s also about their behaviour. Picture this: a lecturer assigns homework to 500 students at 4pm on a Friday. By evening, between 7pm and 11pm, a significant surge in activity is almost guaranteed as students rush to complete and submit their work. Coordinated academic calendars, like GCSE and A-level results days or university clearing periods, further amplify the demand, often synchronising spikes across multiple institutions.

Common Infrastructure Weak Points

When platforms buckle under peak loads, the causes are often predictable. These stress points tend to expose known weaknesses. For instance, database performance is one of the most common culprits when large user groups try to access the same resources simultaneously.

More than half of application performance bottlenecks originate in the database.

Login systems are another frequent failure point, especially during the first week of term when mass login attempts can overwhelm authentication systems. Even platforms that handle steady user growth may struggle when hundreds of students attempt to log in within minutes. Single sign-on integrations with school systems can also create bottlenecks if they haven’t been rigorously tested under high load conditions.

Auto-scaling configurations, while helpful, may fail to keep up with the sudden traffic spikes typical of educational platforms. If these systems are designed with gradual growth in mind, they may not allocate resources quickly enough to prevent service interruptions.

File upload and download systems are equally vulnerable. When many students try to submit assignments or access course materials simultaneously, large file sizes and concurrent requests can strain bandwidth and storage I/O capacity. Furthermore, third-party integrations - whether with learning management systems, payment processors, or identity providers - may have scaling limitations or rate limits that only become apparent during peak usage.

Load Testing and Traffic Simulations

To address these risks, realistic load testing is essential. Unlike generic traffic simulations, effective testing for EdTech platforms should mimic actual academic workflows. For instance, a typical student journey might involve logging in, navigating course pages, downloading files, engaging in discussions, and submitting assignments. Teachers, meanwhile, might upload course materials, review submissions, and update gradebooks.

Start by gradually increasing traffic from normal levels to three to five times peak usage. This approach helps identify the points where performance begins to degrade and highlights system thresholds.

Don’t forget to test under different network conditions. Students use a wide range of devices and internet connections, so your testing should account for both high-bandwidth activities, like video streaming and file downloads, and everyday browsing.

Finally, monitor your systems during these tests. Simulating peak periods allows you to uncover hidden vulnerabilities before they become real problems. Automated load testing should be part of your regular deployment process, running after major code updates and on a consistent schedule throughout the year. Be sure to test failure scenarios too - like database outages or errors in third-party integrations - to identify weaknesses that could worsen under stress.

Core Strategies for Reliable and Scalable Infrastructure

Once you've pinpointed weak spots and conducted thorough testing, it's time to implement strategies that ensure your platform can handle peak demand smoothly. The goal here is to maintain performance without unnecessary complexity or waste. Below are key approaches to help you balance traffic, scale efficiently, and deploy updates with minimal impact.

Load Balancing for SMBs and Scaleups

Load balancing is all about spreading incoming traffic across multiple servers to prevent any one server from being overwhelmed during busy periods. The type of load balancing algorithm you choose should align with your server setup and traffic patterns:

  • Round robin works best when all servers have similar capacities.
  • Weighted round robin is ideal for servers with different performance capabilities.
  • Least connection helps manage servers handling varying connection durations.

If you want a simpler setup, managed cloud load balancers like AWS Application Load Balancer, Azure Load Balancer, or Google Cloud Load Balancing are excellent choices. They handle much of the heavy lifting, letting your team concentrate on building your application. For those using microservices, container orchestration platforms like Kubernetes include built-in load balancing, making them a strong option.

Auto-Scaling Policies for Predictable Growth

Auto-scaling ensures you have the right amount of resources when you need them, especially during traffic surges like seasonal spikes. Horizontal scaling - adding or removing resource instances without downtime - is particularly effective for managing these fluctuations, unlike vertical scaling, which often requires interruptions.

To make the most of auto-scaling, combine scheduled triggers for predictable events with metric-based triggers like CPU or memory usage. This blend allows you to adjust capacity dynamically. To avoid excessive scaling up and down (oscillation), use aggregated metrics, set limits on the number of instances, and monitor additional indicators like queue length.

Health Checks and Rolling Deployments

Regular health checks and rolling deployments help you minimise downtime and disruptions, even during high-traffic periods. Rolling deployments involve updating a few servers at a time instead of applying changes across the entire system all at once. Here’s how it works:

  1. Test the new version in a staging environment to ensure it's stable.
  2. Update a small subset of servers incrementally. During the update, temporarily remove each server from the load balancer.
  3. Run health checks on updated servers, looking at response times, error rates, and connectivity.
  4. Only reintroduce servers to the live environment after they pass all checks.

To stay prepared for any mishaps, use automated rollback scripts to quickly revert changes if issues arise. This step ensures your infrastructure remains reliable even when something goes wrong.

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Monitoring, Incident Prevention, and Cost Control

Keeping a close eye on your systems and managing costs effectively are essential parts of any successful infrastructure strategy. For UK EdTech companies, where traffic can surge unexpectedly during term time, having tools to monitor performance and control spending is critical to ensuring a smooth experience for both students and teachers.

Real-Time Monitoring and UK-Specific Alerting

Real-time monitoring gives you a complete view of your infrastructure, covering servers, databases, networks, and applications. This broad visibility helps you identify patterns and issues that might otherwise be missed, especially during busy term-time periods when quick action is crucial.

For UK-based platforms, timing your alerts to align with local schedules is key. Configure alerts to match UK time zones and academic routines. For instance, schools typically start between 8:00–9:00 AM GMT, so your infrastructure needs to be ready for that morning surge.

"With the right alert system in place, teams can shift from reactive to proactive. Strategically choose what you'd like to be alerted on." - Franz Knupfer, Senior Manager, Technical Content Team, New Relic

To make monitoring effective, establish baselines by observing your infrastructure during quieter periods, like half-term holidays. This helps you understand normal performance and set thresholds that prevent unnecessary alerts when term starts again. Filtering and aggregating data can also help you focus on critical metrics. For example, instead of alerting on every server’s CPU usage, set triggers for when multiple servers show sustained high usage - this indicates a genuine capacity issue rather than isolated spikes.

Alongside monitoring, reinforcing your infrastructure's security is another crucial step.

Infrastructure Hardening and Compliance

Security missteps can have serious consequences, especially during peak times. Many incidents, including the notable Capital One breach in 2019 caused by a misconfigured firewall, highlight the risks of improper setups in areas like Identity and Access Management (IAM) and data storage. For UK EdTech companies managing sensitive student data, such breaches could lead to severe financial and reputational damage.

To mitigate these risks, apply the principle of least privilege - ensuring users and systems only access the resources they absolutely need. This becomes especially important during term time when temporary staff or additional personnel might require system access.

UK EdTech companies should also adhere to recognised standards like ISO 27001 and SOC 2, which are often expected by educational institutions. Conduct regular security audits and penetration tests to uncover vulnerabilities before they escalate. Using Infrastructure as Code (IaC) tools can further standardise deployments and minimise human error during busy periods.

Multi-factor authentication (MFA) is a must for systems that handle sensitive data like student records or assessments. Additionally, encrypt data both in transit and at rest, and ensure your team undergoes regular security training to stay aware of potential threats.

A secure, compliant infrastructure not only safeguards against breaches but also helps prevent unexpected costs, paving the way for better financial management.

Cost Control and Budget Forecasting

Once monitoring and security are in place, the next step is managing costs effectively, especially during term-time spikes that can lead to surprise cloud bills. Adopting pay-as-you-go pricing is a smart way to handle this, as it allows you to scale up during busy periods and scale down during holidays, aligning costs with actual usage. This approach is particularly relevant for UK EdTech companies, whose budgets often follow the academic year.

Downtime can be another hidden cost. For UK businesses, IT downtime costs an average of £212,000 per incident. This financial hit can be even more damaging during critical times, like exam season or assignment deadlines, where reputation and customer trust are on the line.

Automation can help reduce these risks by streamlining resource management. By automating repetitive tasks, your team can focus on more strategic activities, ultimately saving time and money.

With these measures in place, you can create a system that not only performs well during peak times but also keeps costs under control, ensuring long-term stability and success.

Case Study: Scaling for Term-Time Success in the UK

A mid-sized EdTech company in the UK managed to tackle the challenges of peak term-time demand by embracing the strategies discussed earlier. This case study sheds light on how proactive infrastructure planning can make a real difference, comparing the outcomes of managing operations internally versus collaborating with cloud specialists.

By adopting advanced cloud solutions, EdTech providers can turn the pressures of peak demand into opportunities for growth. Take EduStream, a learning management platform based in Manchester, for example. They faced a major hurdle when the demand for their services spiked at the start of the school term after the holidays.

Their transformation began with the introduction of auto-scaling and load balancing. These tools ensured they had the capacity to handle increased traffic during busy school hours. When demand soared beyond typical levels, this preparation proved to be a game-changer.

In the first week of term, EduStream's auto-scaled infrastructure handled a massive surge in logins seamlessly, without a single disruption. This smooth performance boosted confidence among stakeholders and highlighted the effectiveness of their approach. It also created a clear basis for comparing in-house cloud management with a partner-led model.

This switch not only improved performance but also cut monthly infrastructure costs. This aligns with industry data showing that businesses leveraging cloud technology grow 26% faster and are 21% more profitable than those that don't.

EduStream’s success also illustrates how cloud technology empowers schools, colleges, and universities to scale their operations effortlessly. They can accommodate growing user numbers without the usual headaches. By making proactive adjustments over the summer, EduStream avoided the all-too-common scenario of EdTech platforms crashing under predictable term-time pressure.

Comparison: In-House vs. Partner-Led Cloud Operations

EduStream’s experience underscores the clear distinctions between managing cloud operations internally and working with specialist partners. Their in-house efforts previously resulted in average uptime, slower incident responses, and higher costs. However, when they partnered with cloud experts, they achieved near-perfect uptime, quicker responses to issues, reduced expenses, and better resource efficiency. This shift allowed their development team to focus on enhancing the platform rather than firefighting infrastructure problems.

The case study also reflects wider trends in the UK, where 94% of businesses have adopted some form of cloud technology, and the cloud market is valued at £15 billion. For small and medium-sized businesses (SMBs) and scale-ups in the EdTech sector, the takeaway is clear: preparing robust cloud operations ahead of peak periods isn’t just about avoiding downtime. It’s about fostering sustainable growth and staying competitive when it matters most.

Conclusion: Building Reliable Infrastructure for Every Term

What separates EdTech platforms that thrive under the weight of term-time surges from those that falter? It all boils down to preparation and making smart infrastructure choices. For SMBs and scaleups, peak periods don’t have to feel like an insurmountable challenge - they can be managed effectively with the right tools and strategies.

The numbers speak volumes: businesses leveraging cloud technology grow 26% faster and are 21% more profitable than their counterparts. For EdTech companies, where September enrolments and January rushes are predictable, this isn’t just about avoiding awkward downtime. It’s about seizing these moments to drive growth and build trust with users.

Key Takeaways for SMBs and Scaleups

To build a resilient EdTech platform, focus on the essentials: load balancing, auto-scaling, and real-time monitoring. These aren’t exclusive to large enterprises - they’re critical for keeping learning platforms running smoothly when student logins spike.

With 63% of businesses acknowledging the growth cloud technology enables, tools like auto-scaling remove the guesswork from capacity planning. Meanwhile, load balancing ensures your platform stays responsive - even when thousands of students log in simultaneously at 9 AM on a Monday.

But resilience isn’t just about performance - it’s about managing costs. 58% of companies report that their cloud expenses are too high, often due to reactive rather than proactive management. By rightsizing resources, using cooldown periods, and automating the shutdown of unused capacity during off-peak times, businesses can cut monthly bills significantly while maintaining performance. Continuous cost optimisation is key to staying profitable.

Real-time monitoring also plays a crucial role. By identifying bottlenecks and making dynamic resource adjustments based on real usage patterns, it helps you stay ahead of unexpected demand spikes, ensuring students and educators aren’t left waiting.

Avoiding Vendor Lock-In and Staying Agile

Infrastructure performance is one thing, but long-term success requires agility. Avoiding vendor lock-in is critical here. Transparent, engineer-led cloud operations trump dependency on a single provider. Vendor lock-in doesn’t just limit technical options; it stifles your ability to evolve alongside your platform’s growth.

"Vendor lock-in must be thought about up front, whether we are talking about a cloud instance or not."
– Charlie Turri, CIO of the IT People Network (ITPN)

To maintain flexibility, consider using open-source software wherever possible and establish clear exit strategies for cloud providers. A multicloud strategy can also help, allowing you to avoid over-reliance on a single vendor. However, this approach requires careful management to keep operational complexity under control, especially for smaller teams.

For EdTech companies handling sensitive student data, data ownership and control are non-negotiable. Implementing strong data governance frameworks and regular backups ensures you’re not at the mercy of a provider’s terms or pricing changes.

Ultimately, agility means choosing solutions that grow with your business rather than locking you into rigid structures. This approach not only keeps costs manageable but also ensures you can adapt to changing demands and opportunities as your platform evolves.

The bottom line? Invest in scalable, transparent infrastructure before the next wave of peak demand hits. It’s an investment that pays off in resilience, performance, and growth.

FAQs

How can EdTech platforms prepare their infrastructure for peak term-time traffic?

To manage the inevitable traffic surges that occur during term time, EdTech platforms should rely on cloud infrastructure equipped with auto-scaling and load balancing. These tools automatically adjust resources to keep systems running smoothly, even when demand peaks, ensuring uninterrupted performance.

Equally important is conducting regular capacity testing and monitoring. This process helps pinpoint potential bottlenecks and ensures the platform is ready to handle expected loads. By staying ahead with resource optimisation and scalability testing, platforms can provide users with a smooth and reliable experience during the busiest times.

What are the common challenges EdTech platforms face during peak periods, and how can they be resolved?

EdTech platforms often grapple with challenges like inadequate infrastructure capacity, uneven load distribution, and limited ability to scale during busy periods, such as term time. These problems can result in sluggish performance, system crashes, or even complete downtime - directly affecting the user experience.

To tackle these issues, consider integrating auto-scaling to automatically adjust resources based on demand, employ load balancing to distribute traffic more evenly, and use continuous performance monitoring to spot and address bottlenecks before they cause disruptions. By fine-tuning your cloud resources ahead of time, you can keep your platform steady, responsive, and ready to handle peak traffic smoothly.

How can cloud solutions help EdTech platforms handle increased demand during term time?

Cloud solutions give EdTech platforms the ability to adjust resources on the fly, ensuring they can cope with the spikes in traffic and demand that come with the academic calendar. This adaptability helps avoid downtime, keeps systems running smoothly, and ensures a hassle-free experience for both students and educators.

Features like auto-scaling and load balancing allow platforms to manage sudden traffic increases effectively, without the need to overcommit on resources. On top of that, cloud infrastructure often works out to be more budget-friendly, as businesses only pay for what they actually use - perfect for handling those peak times without breaking the bank.

A well-planned cloud approach ensures EdTech platforms stay reliable and responsive, even during the busiest moments of the school year.

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